synonym: Maxillaria rhombea
Mexico, Guatemala and El Salvador at elevations around 2000 meters
Jay Pfahl describes this orchid species as "Small to medium sized, cool growing epiphyte with dark green, laterally compressed, wrinkled with age pseudobulbs enveloped basally by several, scarious sheaths and carryimg a single, apical, linear, obtuse and emarginate apically, carinate dorsally, conduplicate towards the base leaf that blooms in the winter on to 2, lateral, single flowered, 4 to 4 3/2 inches [10 to 12 cm] long, erect inflorescence completely enveloped by several, inflated, scarious bracts."
Up to 700 species occuring from Florida through to the West Indies and Central America to southern Brazil and northern Argentina. - Tropical America.